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Socket AM4 - AMD
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Socket AM4
General Info
DesignerAMD
IntroductionSeptember 2016 (launched)
MarketDesktop
MicroarchitectureZen
TDP105 W
105,000 mW
0.141 hp
0.105 kW
Package
NameOPGA-1331
TypeOrganic Micro Pin Grid Array
Contacts1331
Dimension40 mm
4 cm
1.575 in
× 40 mm
4 cm
1.575 in
Pitch1 mm
0.0394 in
Socket
NameSocket AM4
TypePGA
Succession

AM4 is a socket for AMD's mainstream series of microprocessors, serving as a successor to Socket FM2+ and Socket AM3+. It was superseded by Socket AM5.

Overview[edit]

Launching in September 2016, the AM4 replaces a number of older AMD sockets including the Socket FM2+ and Socket AM3+ designed to unify all its mainstream processors from the low-end to the high-end in a single socket. At the time AMD stated the socket will feature prolong comparability life.

The AM4 accepts zero-insertion force µOPGA-1331-packaged microprocessors designed based on the Excavator, Zen, Zen+, Zen 2, and Zen 3 microarchitectures, although the exact chips supported depends on the accompanying chipset.

Chipsets[edit]

Socket AM4 Platform [Edit]
Segment Chipset USB SATA SATAe PCIe RAID Dual PCIe Overclocking
3.1 G1 3.1 G2 2.0
400-series (Zen+)
Mainstream B450 6 2 6 4 + 2x NVMe 1 6x Gen2 0,1,10
Enthusiast X470 6 2 6 6 + 2x NVMe 2 8x Gen2 0,1,10
300-series (Zen)
Small Form Factor A300, B300 4 0 0 2 + 2x NVMe 1 4x Gen3 0,1
X300 4 0 0 2 + 2x NVMe 1 4x Gen3 0,1
Entry-level A320 6 1 6 4 + 2x NVMe 2 4x Gen2 0,1,10
Mainstream B350 6 2 6 4 + 2x NVMe 2 6x Gen2 0,1,10
Enthusiast X370 6 2 6 6 + 2x NVMe 2 8x Gen2 0,1,10

Support[edit]

AM4 socket support for a particular microprocessor depends on the chipset compatibility.

Socket AM4 Processor Support
Chipset Zen Zen+ Zen 2 Zen 3
Summit Ridge Raven Ridge Pinnacle Ridge Picasso Matisse Renoir Vermeer
A320 *
A520
B350 *
B450 *
B550
X370 *
X470 *
X570
* - Selective Beta BIOS update required

Processors using Socket AM4[edit]

... further results
 List of all Socket AM4-based Processors
ModelPriceProcessLaunchedµarchFamilyCoreCTFreqTurboTDP
200GE$ 55.00
€ 49.50
£ 44.55
¥ 5,683.15
14 nm
0.014 μm
1.4e-5 mm
6 September 2018ZenAthlonRaven Ridge243.2 GHz
3,200 MHz
3,200,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
220GE$ 65.00
€ 58.50
£ 52.65
¥ 6,716.45
14 nm
0.014 μm
1.4e-5 mm
21 December 2018ZenAthlonRaven Ridge243.4 GHz
3,400 MHz
3,400,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
240GE$ 75.00
€ 67.50
£ 60.75
¥ 7,749.75
14 nm
0.014 μm
1.4e-5 mm
21 December 2018ZenAthlonRaven Ridge243.5 GHz
3,500 MHz
3,500,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
3000G$ 49.00
€ 44.10
£ 39.69
¥ 5,063.17
14 nm
0.014 μm
1.4e-5 mm
20 November 2019ZenAthlonDali Raven Ridge243.5 GHz
3,500 MHz
3,500,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 200GE14 nm
0.014 μm
1.4e-5 mm
6 September 2018ZenAthlonRaven Ridge243.2 GHz
3,200 MHz
3,200,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 300GE12 nm
0.012 μm
1.2e-5 mm
30 September 2019Zen+AthlonPicasso243.4 GHz
3,400 MHz
3,400,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
1200$ 109.00
€ 98.10
£ 88.29
¥ 11,262.97
14 nm
0.014 μm
1.4e-5 mm
27 July 2017ZenRyzen 3Summit Ridge443.1 GHz
3,100 MHz
3,100,000 kHz
3.4 GHz
3,400 MHz
3,400,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
1300X$ 129.00
€ 116.10
£ 104.49
¥ 13,329.57
14 nm
0.014 μm
1.4e-5 mm
27 July 2017ZenRyzen 3Summit Ridge443.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
2200G$ 99.00
€ 89.10
£ 80.19
¥ 10,229.67
14 nm
0.014 μm
1.4e-5 mm
12 February 2018ZenRyzen 3Raven Ridge443.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
2200GE14 nm
0.014 μm
1.4e-5 mm
19 April 2018ZenRyzen 3Raven Ridge443.2 GHz
3,200 MHz
3,200,000 kHz
3.6 GHz
3,600 MHz
3,600,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
2300X12 nm
0.012 μm
1.2e-5 mm
10 September 2018Zen+Ryzen 3Pinnacle Ridge443.5 GHz
3,500 MHz
3,500,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
3200G$ 99.00
€ 89.10
£ 80.19
¥ 10,229.67
12 nm
0.012 μm
1.2e-5 mm
7 July 2019Zen+Ryzen 3Picasso443.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
4300G7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 3Renoir483.8 GHz
3,800 MHz
3,800,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
4300GE7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 3Renoir483.5 GHz
3,500 MHz
3,500,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
5300G7 nm
0.007 μm
7.0e-6 mm
13 April 2021Zen 3Ryzen 3Cezanne484 GHz
4,000 MHz
4,000,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
5300GE7 nm
0.007 μm
7.0e-6 mm
13 April 2021Zen 3Ryzen 3Cezanne483.6 GHz
3,600 MHz
3,600,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 120014 nm
0.014 μm
1.4e-5 mm
ZenRyzen 3Summit Ridge443.1 GHz
3,100 MHz
3,100,000 kHz
3.4 GHz
3,400 MHz
3,400,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 130014 nm
0.014 μm
1.4e-5 mm
ZenRyzen 3Summit Ridge443.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 2200G14 nm
0.014 μm
1.4e-5 mm
10 May 2018ZenRyzen 3Raven Ridge443.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 2200GE14 nm
0.014 μm
1.4e-5 mm
10 May 2018ZenRyzen 3Raven Ridge443.2 GHz
3,200 MHz
3,200,000 kHz
3.6 GHz
3,600 MHz
3,600,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 3200G12 nm
0.012 μm
1.2e-5 mm
30 September 2019Zen+Ryzen 3Picasso443.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 3200GE12 nm
0.012 μm
1.2e-5 mm
30 September 2019Zen+Ryzen 3Picasso443.3 GHz
3,300 MHz
3,300,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 4350G7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 3Renoir483.8 GHz
3,800 MHz
3,800,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 4350GE7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 3Renoir483.5 GHz
3,500 MHz
3,500,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
PRO 5350G7 nm
0.007 μm
7.0e-6 mm
1 June 2021Zen 3Ryzen 3Cezanne484 GHz
4,000 MHz
4,000,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 5350GE7 nm
0.007 μm
7.0e-6 mm
1 June 2021Zen 3Ryzen 3Cezanne483.6 GHz
3,600 MHz
3,600,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
1400$ 169.00
€ 152.10
£ 136.89
¥ 17,462.77
14 nm
0.014 μm
1.4e-5 mm
11 April 2017ZenRyzen 5Summit Ridge483.2 GHz
3,200 MHz
3,200,000 kHz
3.4 GHz
3,400 MHz
3,400,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
1500X$ 189.00
€ 170.10
£ 153.09
¥ 19,529.37
14 nm
0.014 μm
1.4e-5 mm
11 April 2017ZenRyzen 5Summit Ridge483.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
1600$ 219.00
€ 197.10
£ 177.39
¥ 22,629.27
14 nm
0.014 μm
1.4e-5 mm
11 April 2017ZenRyzen 5Summit Ridge6123.2 GHz
3,200 MHz
3,200,000 kHz
3.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
1600X$ 249.00
€ 224.10
£ 201.69
¥ 25,729.17
14 nm
0.014 μm
1.4e-5 mm
11 April 2017ZenRyzen 5Summit Ridge6123.6 GHz
3,600 MHz
3,600,000 kHz
4 GHz
4,000 MHz
4,000,000 kHz
95 W
95,000 mW
0.127 hp
0.095 kW
2400G$ 169.00
€ 152.10
£ 136.89
¥ 17,462.77
14 nm
0.014 μm
1.4e-5 mm
12 February 2018ZenRyzen 5Raven Ridge483.6 GHz
3,600 MHz
3,600,000 kHz
3.9 GHz
3,900 MHz
3,900,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
2400GE14 nm
0.014 μm
1.4e-5 mm
19 April 2018ZenRyzen 5Raven Ridge483.2 GHz
3,200 MHz
3,200,000 kHz
3.8 GHz
3,800 MHz
3,800,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
2500X12 nm
0.012 μm
1.2e-5 mm
10 September 2018Zen+Ryzen 5Pinnacle Ridge483.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
2600$ 170.00
€ 153.00
£ 137.70
¥ 17,566.10
12 nm
0.012 μm
1.2e-5 mm
19 April 2018Zen+Ryzen 5Pinnacle Ridge6123.4 GHz
3,400 MHz
3,400,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
2600E12 nm
0.012 μm
1.2e-5 mm
10 September 2018Zen+Ryzen 5Pinnacle Ridge6123.1 GHz
3,100 MHz
3,100,000 kHz
45 W
45,000 mW
0.0603 hp
0.045 kW
2600X$ 229.00
€ 206.10
£ 185.49
¥ 23,662.57
12 nm
0.012 μm
1.2e-5 mm
19 April 2018Zen+Ryzen 5Pinnacle Ridge6123.6 GHz
3,600 MHz
3,600,000 kHz
95 W
95,000 mW
0.127 hp
0.095 kW
3400G12 nm
0.012 μm
1.2e-5 mm
7 July 2019Zen+Ryzen 5Picasso483.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
35007 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
Zen 2Ryzen 5Matisse663.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
3500X7 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
Zen 2Ryzen 5Matisse663.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
3600$ 199.00
€ 179.10
£ 161.19
¥ 20,562.67
7 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
7 July 2019Zen 2Ryzen 5Matisse6123.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
3600X$ 249.00
€ 224.10
£ 201.69
¥ 25,729.17
7 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
7 July 2019Zen 2Ryzen 5Matisse6123.8 GHz
3,800 MHz
3,800,000 kHz
95 W
95,000 mW
0.127 hp
0.095 kW
3600XT$ 249.00
€ 224.10
£ 201.69
¥ 25,729.17
7 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
7 July 2020Zen 2Ryzen 5Matisse6123.8 GHz
3,800 MHz
3,800,000 kHz
95 W
95,000 mW
0.127 hp
0.095 kW
4600G7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 5Renoir6123.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
4600GE7 nm
0.007 μm
7.0e-6 mm
21 July 2020Zen 2Ryzen 5Renoir6123.3 GHz
3,300 MHz
3,300,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
5600G$ 259.00
€ 233.10
£ 209.79
¥ 26,762.47
7 nm
0.007 μm
7.0e-6 mm
13 April 2021Zen 3Ryzen 5Cezanne6123.9 GHz
3,900 MHz
3,900,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
5600GE7 nm
0.007 μm
7.0e-6 mm
13 April 2021Zen 3Ryzen 5Cezanne6123.4 GHz
3,400 MHz
3,400,000 kHz
35 W
35,000 mW
0.0469 hp
0.035 kW
5600X$ 299.00
€ 269.10
£ 242.19
¥ 30,895.67
7 nm
0.007 μm
7.0e-6 mm
12 nm
0.012 μm
1.2e-5 mm
5 November 2020Zen 3Ryzen 5Vermeer6123.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 150014 nm
0.014 μm
1.4e-5 mm
29 June 2017ZenRyzen 5Summit Ridge483.5 GHz
3,500 MHz
3,500,000 kHz
3.7 GHz
3,700 MHz
3,700,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 160014 nm
0.014 μm
1.4e-5 mm
ZenRyzen 5Summit Ridge6123.2 GHz
3,200 MHz
3,200,000 kHz
3.6 GHz
3,600 MHz
3,600,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
PRO 2400G$ 169.00
€ 152.10
£ 136.89
¥ 17,462.77
14 nm
0.014 μm
1.4e-5 mm
10 May 2018ZenRyzen 5Raven Ridge483.6 GHz
3,600 MHz
3,600,000 kHz
3.9 GHz
3,900 MHz
3,900,000 kHz
65 W
65,000 mW
0.0872 hp
0.065 kW
Count: 93

Photos[edit]

Package Diagrams[edit]

OPGA-1331 SR diag.svg

Approximate dimensions of the "Summit Ridge" (≤ 8C, Zen, 14 nm, Feb. 2017) and "Pinnacle Ridge" (≤ 8C, Zen+, 12 nm, April 2018) package. All dimensions in millimeters.

OPGA-1331 RR diag.svg

Approximate dimensions of the "Raven Ridge" desktop package (≤ 4C/11CU, Zen, 14 nm, Oct. 2017). Mobile and embedded versions are available in a FP5 package. All dimensions in millimeters.

OPGA-1331 MTS diag.svg

Approximate dimensions of the "Matisse" package (≤ 16C, Zen 2, 7/14 nm, July 2019). The left CCD is unpopulated in ≤ 8C models. All dimensions in millimeters.

Socket Diagrams[edit]

Socket AM4 FIT diag.svg

No data available. The diagram shows the dimensions of Foxconn Interconnect Technology Part No. PZ1331A-51ZZ*-1H. All dimensions in millimeters.

Socket drawing: https://www.fit-foxconn.com/Product/FileDownload?file=spec&path=%2FImages%2FProducts%2FSpec%2FPZ1331A-51ZZ0-1H_20181218103237.pdf&fileName=PZ1331A-51ZZ0-1H_20181218103237&fileType=pdf&fileClassID=2&productClass=Socket&productFamily=CPU%20Socket&productSeries=PGA%2FBGA&productNo=PZ1331A-51ZZ0-1H&version=7

Pin Map[edit]

OPGA-1331 pinmap.svg

AM4 pinout, top view. Click to flip and rotate.


Pin Description[edit]

Signal Description
MA/MB_ACT_L DRAM Channel A/B Activation Command
MA/MB_ADD[13:0] DRAM Column/Row Address
MA/MB_ADD_17 DRAM Column/Row Address 17
MA/MB_ALERT_L DRAM Alert (CRC error and Command/Address parity error)
MA/MB_BANK[1:0] DRAM Bank Address
MA/MB_BG[1:0] DRAM Bank Group
MA/MB_CAS_L_ADD[15] DRAM Column Address Strobe or Column/Row Address 15
MA/MB_CHECK[7:0] DRAM ECC Check Bits
MA/MB_DATA[63:0] DRAM Data Bus
MA/MB_DM[8:0] DRAM Data Mask
MA/MB_DQS_H/L[8:0] DRAM Differential Data Strobe
MA/MB_EVENT_L DRAM Thermal Event Status
MA/MB_PAROUT DRAM Command/Address Parity
MA/MB_RAS_L_ADD[16] DRAM Row Address Strobe or Column/Row Address 16
MA/MB_RESET_L DRAM Reset
MA/MB_WE_L_ADD[14] DRAM Write Enable or Column/Row Address 14
MA/MB_ZVDDIO_MEM_S3
MA/MB_ZVSS DRAM Interface Drive-Strength Auto-Compensation Resistor to VSS
MA0/MA1/MB0/MB1_CKE[1:0] DRAM Channel A/B DIMM 0/1 Clock Enable
MA0/MA1/MB0/MB1_CLK_H/L[3:0] DRAM Channel A/B DIMM 0/1 Differential Clock
MA0/MA1/MB0/MB1_CS_L[1:0] DRAM Channel A/B DIMM 0/1 Chip Select
MA0/MA1/MB0/MB1_ODT[1:0] DRAM Channel A/B DIMM 0/1 Enable Pin for On Die Termination
P_GFX_RXP/RXN[15:0] PCIe GFX Receive Data Differential Pairs
P_GFX_TXP/TXN[15:0] PCIe GFX Transmit Data Differential Pairs
P_GPP_RXP/RXN[3:0] PCIe GPP Receive Data Differential Pairs
P_GPP_TXP/RXN[3:0] PCIe GPP Transmit Data Differential Pairs
P_HUB_RXP/RXN[3:0] PCIe Hub (chipset) Receive Data Differential Pairs
P_HUB_TXP/TXN[3:0] PCIe Hub Transmit Data Differential Pairs
PCIE_RST_L Reset signal for PCIe devices
P_ZVDDP
P_ZVSS
P0A/P0B_ZVSS PCIe Drive-Strength Auto-Compensation Resistor to VSS
SATA_RX(0-1)P/N SATA Receive Data Differential Pairs (alt. func. of P_GPP[2], P_GPP[3])
SATA_TX(0-1)P/N SATA Transmit Data Differential Pairs
SATA_ACT_L SATA Channel Active (HD LED
SGPIO0_CLK SGPIO Interface CLK Output; SGPIO supported on Socket AM4?
SGPIO0_DATAIN SGPIO DATA Input
SGPIO0_DATAOUT SGPIO DATA Output
SGPIO0_LOAD SGPIO LOAD Output
SATA_IS(0-1)_L
SATA_ZP(0-1)_L Zero Power SATA ODD
SATA_ZVDDP
SATA_ZVSS
DP0-DP2_TXP/TXN[3:0] DisplayPort 0-2 Main Link Differential Transmitter Lane 0-3
DP0-DP2_AUXP/AUXN DisplayPort 0-2 Auxiliary Channel
DP0-DP2_HPD DisplayPort 0-2 Hot Plug Detect Input
DP_BLON Display Panel Backlight Enable
DP_DIGON Display Panel Power Enable
DP_VARY_BL Display Backlight Brightness Control
DP_STEREOSYNC StereoSync output for shutter glasses
DP_AUX_ZVSS
DP_ZVSS
USB_HSD(0-3)P/N USB Port 0-3 High Speed I/O Differential Pairs
USB_SS_(0-3)RXP/RXN USB Port 0-3 Super Speed Receive Differential Pairs
USB_SS_(0-3)TXP/TXN USB Port 0-3 Super Speed Transmit Differential Pairs
USB_OC(0-3)_L USB Port 0-3 Over Current signal from USB connector
USB_SS_ZVDDP
USB_SS_ZVSS
USB_ZVSS
USB(0-3)_ZVSS USB Port 0-3 Drive-Strength Auto-Compensation Resistor to VSS
AZ_BITCLK Azalia HD Audio Interface Bit Clock
AZ_RST_L HDA Reset
AZ_SDIN(0-2) HDA Serial Data Input from Codec 0-2
AZ_SDOUT HDA Serial Data Output to Codec
AZ_SYNC HDA Sync Signal to Codec
SPKR PC speaker/beeper PWM output
SPI_CLK SPI Clock
SPI_DO SPI Data Out or Data 0 for multi-I/O SPI/eSPI device
SPI_DI SPI Data In or Data 1
SPI_WP_L SPI Write Protect or Data 2
SPI_HOLD_L SPI Hold Signal (asserted low to hold the SPI transaction) or Data 3
SPI_TPM_CS_L SPI Chip Select for TPM
SPI_CS1/CS2_L SPI Chip Select
ESPI_CLK ESPI Clock (alt. func. of SPI_CLK)
ESPI_DAT(0-3) ESPI Data[0], Data[1:0], Data[3:0] (alt. func. of SPI_DO/DI/WP_L/HOLD_L)
ESPI_CS_L ESPI Chip Select (SPI_CS2_L)
ESPI_ALERT_L ESPI Alert Input (LDRQ0_L)
ESPI_RESET_L ESPI Reset (KBRST_L)
LAD(0-3) LPC Command/Address/Data
LDRQ0_L Encoded DMA/Bus Master Request 0
LFRAME_L LPC Bus Frame
LPCCLK(0-1) LPC 33 MHz Clock
LPC_CLKRUN_L LPC CLKRUN Signal
LPC_PD_L LPC Power Down
LPC_PME_L LPC Power Management Event
LPC_RST_L LPC Reset
SERIRQ Serial IRQ for DMA
I2C(2-3)_SCL I2C Port 2-3 Clock
I2C(2-3)_SDA I2C Port 2-3 Data
SCL0 SMBus Port 0 Clock (alt. func. of I2C2)
SDA0 SMBus Port 0 Data
SCL1 SMBus Port 1 Clock (alt. func. of I2C3)
SDA1 SMBus Port 1 Data
AGPIO* Advanced GPIO pin for interrupt, wake, or I/O
EGPIO* Enhanced GPIO for I/O only
GENINT(1-2)_L Generic Interrupt Request
GFX_CLKP/N PCIe GFX 100 MHz Differential Reference Clock
GPP_CLK0(0-3)P/N PCIe GPP 100 MHz Differential Reference Clock
CLK_REQG_L PCIe GFX Clock Request
CLK_REQ(0-3)_L PCIe GPP Clock Request
OSCIN 14 MHz Clock Input
X32K_X1/X2 32768 Hz Clock XTAL for the integrated RTC
X48M_X1/X2 48 MHz Clock XTAL for the integrated clock generator
RTCCLK 32768 Hz Real Time Clock output, for a device requiring an RTC clock
X48M_OSC 48 MHz clock output for devices requiring a single-ended OSC input
KBRST_L Keyboard Controller Reset Input (warm reset)
PWR_BTN_L Power Button; Requests sleep state or causes wake event
PWR_GOOD Power Good Input; Asserted when all voltages and clock inputs are within specification
PWROK Power OK; Asserted by the processor after all power planes are active, the system clock generators are powered up and run stably
RESET_L Bidirectional signal that resets the processor when asserted; Normally controlled by an internal state machine but can also be asserted by a second external source
RSMRST_L Resume Reset from motherboard; Asserted on power up, deasserted when S5 power supplies are within specification
S0A3_GPIO S0A3 Indicator
SLP_S3/S5_L S3/S5 Sleep State Power Plane Control Signal
SYS_RESET_L System Reset Input (reset button)
WAKE_L PCIe WAKE_L signal, wake system out of sleep state
BLINK Blink LED S-state Indicator
FANIN0 Fan tachometer input
FANOUT0 Fan PWM output
ALERT_L Programmable pin that can indicate different events, including a SB-TSI interrupt
PROCHOT_L Asserted to force the processor into HTC-active state
SIC Sideband Interface (SB-TSI) Clock
SID Sideband Interface Data
THERMTRIP_L Temperature Trip Input/Output
DBREQ_L Debug Request input to JTAG controller
DBRDY
TCK JTAG Clock
TDI JTAG Data Input
TDO JTAG Data Output
TMS JTAG Mode Select
TRST_L JTAG Reset
TEST* Test Pins
SVC Serial VID Interface Clock
SVD Serial VID Interface Data
SVT Serial VID Interface Telemetry
VDDIO_AUDIO Azalia HD Audio power supply
VDDBT_RTC_G Integrated Real Time Clock battery power supply
VDDCR_CPU Core power supply
VDDCR_CPU_SENSE VDDCR_CPU voltage monitor pin
VDDCR_SOC Supply voltage for the Northbridge
VDDCR_SOC_SENSE VDDCR_SOC voltage monitor pin
VDDCR_SOC_S5 Always on SOC power supply
VDDIO_MEM_S3 1.2 V DRAM supply voltage
VDDIO_MEM_S3_SENSE VDDIO_MEM_S3 voltage monitor pin
VDDP
VDDP_SENSE VDDP voltage monitor pin
VDDP_S5
VDD_18 1.8 V supply voltage
VDD_18_S5 Always on 1.8 V supply voltage
VDD_33 3.3 V supply voltage
VDD_33_S5 Always on 3.3 V supply voltage
VSS Ground
VSS_SENSE_A VSS sense pin for voltage regulator
VSS_SENSE_B VSS sense pin for voltage regulator
CORETYPE[1:0] Processor Core Type Indicator
AM4R1 Processor Family Revision Identifier
RSVD Reserved

See also[edit]

Facts about "Socket AM4 - AMD"
designerAMD +
first launchedSeptember 2016 +
instance ofpackage +
market segmentDesktop +
microarchitectureZen +
nameSocket AM4 +
packageOPGA-1331 +
package contacts1,331 +
package length40 mm (4 cm, 1.575 in) +
package pitch1 mm (0.0394 in) +
package typeOrganic Micro Pin Grid Array +
package width40 mm (4 cm, 1.575 in) +
socketSocket AM4 +
tdp105 W (105,000 mW, 0.141 hp, 0.105 kW) +